public struct SortedArray<Element : Comparable> : MutableCollection, RandomAccessCollection, ExpressibleByArrayLiteral, RangeReplaceableCollection, Equatable, CustomStringConvertible, CustomDebugStringConvertible {
  ///...
}

public struct SortedSet<Element : Comparable> : MutableCollection, RandomAccessCollection, ExpressibleByArrayLiteral, RangeReplaceableCollection, Equatable, CustomStringConvertible, CustomDebugStringConvertible {
  ///...
}

let a : SortedArray =  [2,6,2,1,2,35,6,7,8,0]
assert(a == [0, 1, 2, 2, 2, 6, 6, 7, 8, 35])

let s : SortedSet = [2,6,2,1,2,35,6,7,8,0]
print(s == [0, 1, 2, 6, 7, 8, 35])